Having a free day or two at some time in the future is definitely a possibility, but certainly not soon. If you follow me on Itch you'll find out straight away about special offers and whatnot.
Thanks for your interest in the game and I certainly can sympathise with the lack of money, but for now I am planning to leave the game at full price for a while.
I think you'll also like this one - it's only the first part of a planned larger game which sadly ended up being cancelled, but it's a decent hour's adventuring in its own right:
